Journal of Social Science and Human Research Studies (JSSHRS) · Research article · Open access
Application of the GSP Chart and ROC Method to Develop A Grade 8 Natural Science Item Bank from Empirical Data Analysis
Nguyen Phuoc Hai, Trinh Thi Kim Binh
9 March 2026 · Vol. 2, Issue 3, pp. 187-193
DOI: 10.65150/EP-jsshrs/V2E3/2026-02
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What is this article about?
The objective of this study is to apply the GSP chart and ROC method to analyze and select Grade 8 Natural Science test items, thereby constructing an item bank to assess student learning outcomes. 7991/BGDĐT-GDTrH, issued by the Ministry of Education and Training of Vietnam on December 17, 2024, regarding the implementation of testing and assessment for lower and upper secondary education.
Article at a glance
- Published
- 9 March 2026
- Volume / issue / pages
- Vol. 2, Issue 3, pp. 187-193
- ISSN
- 3051-3561 (online) · 3051-3553 (print)
- Licence
- CC BY 4.0 — free to read and reuse with attribution
- Peer review
- Double-blind, at least two independent reviewers
- Publisher
- EP Journals Group
Abstract
The objective of this study is to apply the GSP chart and ROC method to analyze and select Grade 8 Natural Science test items, thereby constructing an item bank to assess student learning outcomes. The Grade 8 Natural Science test was designed in accordance with Official Dispatch No. 7991/BGDĐT-GDTrH, issued by the Ministry of Education and Training of Vietnam on December 17, 2024, regarding the implementation of testing and assessment for lower and upper secondary education. The study was conducted with a sample of 116 students who took the Grade 8 Natural Science test under a new format consisting of four parts: Part 1 comprised 12 multiple-choice questions (four options with one best answer); Part 2 included 8 True/False questions; Part 3 consisted of 4 short-answer questions; and Part 4 contained 6 constructed-response (essay) questions. The research results demonstrated that MATLAB software can be effectively utilized to develop a toolbox for analyzing and selecting test items based on the GSP chart and ROC method. This toolbox facilitates rapid, accurate, and easy calculations, intuitively displaying results and visualizations via a Graphical User Interface (GUI), which can support teachers in building item banks to assess student learning outcomes.
Keywords: GSP Chart, ROC Method, Item Bank, Natural Science, Educational Assessment.
Cite this article
Nguyen Phuoc Hai, & Trinh Thi Kim Binh (2026). Application of the GSP Chart and ROC Method to Develop A Grade 8 Natural Science Item Bank from Empirical Data Analysis. Journal of Social Science and Human Research Studies, 2(3), 187-193. https://doi.org/10.65150/EP-jsshrs/V2E3/2026-02
@article{Nguyen2026,
title = {Application of the GSP Chart and ROC Method to Develop A Grade 8 Natural Science Item Bank from Empirical Data Analysis},
author = {Nguyen Phuoc Hai and Trinh Thi Kim Binh},
journal = {Journal of Social Science and Human Research Studies},
year = {2026},
volume = {2},
number = {3},
pages = {187-193},
doi = {10.65150/EP-jsshrs/V2E3/2026-02},
url = {https://doi.org/10.65150/EP-jsshrs/V2E3/2026-02}
}Questions about this article
Who wrote this article?
Nguyen Phuoc Hai, Trinh Thi Kim Binh.
Where and when was it published?
In Journal of Social Science and Human Research Studies, Volume 2, Issue 3, pages 187-193, published by EP Journals Group on 9 March 2026.
Is this article free to read?
Yes. It is open access under a Creative Commons Attribution 4.0 (CC BY 4.0) licence, so anyone can read, share and reuse it with attribution.
What is the DOI of this article?
10.65150/EP-jsshrs/V2E3/2026-02 (https://doi.org/10.65150/EP-jsshrs/V2E3/2026-02).
How do I cite this article?
APA: Nguyen Phuoc Hai, & Trinh Thi Kim Binh (2026). Application of the GSP Chart and ROC Method to Develop A Grade 8 Natural Science Item Bank from Empirical Data Analysis. Journal of Social Science and Human Research Studies, 2(3), 187-193. https://doi.org/10.65150/EP-jsshrs/V2E3/2026-02
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